. The North American Crinoidea camerata [microform]. Crinoidea, Fossil; Crinoïdes fossiles. ( i' Fio. 1. Fig. 2. Carabocriiiiis.—Fig. 1. Ventral Hspect. Fig. 2. Dorsal aspect. R = rnilinls; IV = nuliaiiiil; x = anal; rp = nnal pyramid; o = orals. having five large orals similar to those of the Larviformia, and snbtegminal ambulacra, the pyramid is excentric and directed upwards (Figs. 1 and 2 of the accompanying diagrams).* A similar anus was observed by W. R. Billings in Hyhocrimis conicus. In Cyathocrimis wo have observed the anal pyramid in several species, and found it located in all of th
. The North American Crinoidea camerata [microform]. Crinoidea, Fossil; Crinoïdes fossiles. ( i' Fio. 1. Fig. 2. Carabocriiiiis.—Fig. 1. Ventral Hspect. Fig. 2. Dorsal aspect. R = rnilinls; IV = nuliaiiiil; x = anal; rp = nnal pyramid; o = orals. having five large orals similar to those of the Larviformia, and snbtegminal ambulacra, the pyramid is excentric and directed upwards (Figs. 1 and 2 of the accompanying diagrams).* A similar anus was observed by W. R. Billings in Hyhocrimis conicus. In Cyathocrimis wo have observed the anal pyramid in several species, and found it located in all of them at the end of tlie tube, directed anteriorly (Plate VII. Figs. 11 <ih rnd \2(if/). The anus of the Pote- riocrinidoB, which we havf; seen in , Decadncrinns, and in several species of Sei/talocrimis and Scrq^hiocrinus, is located at some distance from the top of the ventral sac, and invariably at the anterior side, sometimes • These diagrams were made after drawings hy Mr. Waller R. Billings. The specimen of Fig. 1 is in the collection of Mr. J. Stewart, that of Fig. 2 in his own collection. 18. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wachsmuth, Charles, 1829-1896; Springer, Frank, 1848-1927. Cambridge [Mass. ] : Printed for the Museum
Size: 1643px × 1521px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublishercambridgemassprint
